Closure for radiators and the like



y 1933. A. JARVIS CLOSURE FOR RADIATORS AND THE LIKE Filed Oct. 17, 19508 y ,mm MP KM m. N 1 r .@A .m w e y f b 0 V Q B M 5 7 Patented May 9,1933 UNITED STATES rsNr OFFICE LEWIS A. JARVIS, OF GRAND RAPIDS,IvIICHIG-AN, ASSIGNOB TO W. B. JARVIS COMPANY, or GRAND RAPIDS, MICHIGANCLOSURE FOR RADIATORS .AND THE LIKE Application filed. October 17, 1930.Serial 110,489,249.

. The main object of this invention is to provide an improved closurefor radiators, tanks and the like which eliminates the necessity forthreading or screwing upon the neck of a radiator or tank; at the sametime permits adjustment of the cap to properly present ornamental orprojecting parts.

A further object is to provide a cap hav ing these advantages which iseli'ectively retained in its position of adjustment and at the same timeis capable of quickattachment and detachment.

'Objects relating to details and economies of my invention will appearfrom the description to follow. The invention is defined and pointed outin the claims.

A structure which is a preferred embodiment of my invention isillustrated in the accompanying drawing, in which:

Fig. 1 is aperspective view partially in vertical section on line 11 ofFigs. 2, 3 and 4, of a radiator cap embodying the features of myinvention; j

Fig. 2 is a horizontal section on line 2 2 of Fig. 1.

Fig. 3 is a horizontal section on line 33 of Fig. 1.

Fig. 4 is a plan view of the thrust member for applying yieldingpressure to the gasket and for holding the cap in its adjustedpositions. j t

Fig. 5 is a detail section on line 5-5 of Figs. 1 and 2.

Fig. 6 is a detail section on line 66 of Fig. 1.

Fig. 7 is a detail section of the spring thrust member on line 7-7 ofFig. 4.

In the embodiment illustrated, 1 represents the neck of a radiatorhaving an inturned flange 2 at its upper end providing a gasket seat.This flange has uniformly spaced notches 8 therein providing a pluralityof segmental lugs, the faces of these lugs being in the same plane; thatis, they are without pitch. The under sides of the lugs are providedwith serrations 4, as illustrated in Figs.

5 and 6. v

The cap 5 illustrated has projecting arms 6. These are illustrated asplain arms but it will be understood that the cap may carry any suitableornamentation or an instrument such as a water gage or the like. Thiscap has an internal annular stepped shoulder 7 and a depending centrallydisposed boss 8. This boss is shouldered at its lower end to produce anon-circular reduced portion 9.

On this reduced portion I mount a retaining member 10 having anonscircular central opening 11 to receive the reduced portion 9 oftheboss 8, the retaining member being clamped upon the shoulder 12 formedby the reduced portion 9 by means of the washerlike disc 13 and thescrew 14. V

The retaining member has radially proj ecting arms 15 spaced tocorrespond with the notches 3 in the flange so that they may be passedthrough the notches and engaged with the lugs by a rotating movement ofthe cap. The arms 15 are preferably given a slight twist so that theiredges 16 will effectively engage the serrations.

The annular gasket 17 is arranged within the cap to engage the endof-the neck. The annular thrust member 18 engages this gasket applyingyielding pressure thereto and also a yielding pressure to the retainingmember for yieldingly holdingthe retaining member against the under sideof the flange. This thrust member 18 is provided with a plurality ofsprings 19 preferably struck up therefrom as illustrated, these springfingers engaging the inner step of the shoulv der 7.

W ith the parts thus arranged, the engaging arms of the cap are rigid ornon-yielding and are fixedly mounted on the cap. It is unnecessary toprovide the lugs on the neck with pitch as the yielding thrust membernot only acts to yieldingly urge the gasket upon its seat but alsoyields to permit the engagementof the arms with the lugs and acts tohold them in their adjusted position thereby rendering it entirelypractical to pro vide the cap with ornaments as they can be properlypresented and it is unnecessary to accurately position the neck inassembling as has heretofore been the case with structures of this type.

I have not attempted to illustrate or describe various modifications andadaptations of my improvements which are possible as it is believed thisdisclosure will enable those skilled in the art to embody or adapt thesame as maybe desired;

Having thus described my invention, what I claim as new and desire tosecure by Letters Patent, is: Y

1. The combination of a neck having an inturned flange at its outer endnotched to provide a plurality of inwardly projecting segmental lugshaving faces disposed in the same plane, the faces of said lugs beingserrated, a chambered cap having a centrally depending internal bossshouldered at its lower end to provide a non-circular reduced portion, aretaining member having radial lug-engaging arms and a central openingengaged with said reduced portion of said boss and corresponding inshape thereto whereby it is held against rotation thereon, means forclamping said retaining member against said shoulder of said boss, anannular gasket coacting with the end of the neck, and an annular thrustmember for said gasket provided with a plurality of supporting springsfor applying yielding pressure to the gasket and yielding to permit thearms being passed through the notches of said flange and engaged withsaid lugs with a rotary motion and acting to hold said arms inengagement with said serrations in said lugs, whereby said cap may berotated to any desired position, the serrations coacting with the armsto hold the cap in its adjusted position.

2. The combination of a neck having an inturned flange at its outer endnotched to provide a plurality of inwardly projecting segmental lugshaving serrated faces, a chambered cap having a centrally dependinginternal boss shouldered at its lower end to provide a non-circularreduced portion, a retaining member having radial lugengaging arms and acentral opening engaged with saidreduced portion of said boss andcorresponding in shape thereto whereby it is held against rotationthereon, means for clamping said retaining member against said shoulderof said boss, an annular gasket coacting with the end of the neck, andan annular thrust member for said gasket provided with a plurality ofsupporting springs for applying yielding pressure to the gasket andyielding to permit the arms being passed through the notches of saidflange and engaged with said lugs with a rotary motion and acting'tohold said arms in engagement with said lugs, whereby said cap may berotated to any desired position, the serrations coacting with the armsto hold the cap in its adjusted position. v

3. The combination of a neck having an inturned notched flange at itsouter end providing a plurality of segmental lugs having faces disposedin the same plane, the faces of the lugs being serrated, a chambered caphaving a central depending internal boss, a retaining member fixedlymounted on said boss and provided with radial lug-engaging arms, saidarms being twisted to present. the edges thereof to said serrations, anannular gasket coacting with the end of the neck, and a thrust memberfor yieldingly supporting said gasket and yielding to permit the armsbeing passed through the notches of said flange and engaged with saidlugs with a rotary motion and acting tohold said arms in engagement withsaid serrations in said lugs, whereby said cap may be rotated in anydesired position, the serrations coacting with the arms to hold the capin its adjusted position. i

4. The combination of a neck having an inturned notched flange at itsouter end providing a plurality of segmental lugs having serrated facesdisposed in the same plane, a chambered cap having a central dependinginternal boss, a retaining member fixedly mounted on said boss andprovided with radial lug-engaging arms,'anannular gasket 00- acting withthe end of the neck, and a thrust member for yieldingly supporting saidgasket and yielding to permit the arms being passed through the notchesof said flange and engaged with said lugs with a rotary motion andacting to -hold said arms in engagement. with said lugs, wherebysaid capmay be rotated to any desired position, the serrations coacting with thearms to hold the cap in its adjusted position. j

5. The combination with a neck having a plurality of internal segmentallugs, the faces of which are serrated and lie in the same plane, of acap having a depending internal centrally disposed boss, a retainingmember fixedly mounted on said boss and provided with radiallyprojecting lug-engaging arms, an annular gasket coacting with said neck,

and a spring supported annular thrust memnon-rotatably mounted on theend of said boss and provided with twistedradiallyprojectinglug-engaging integral arms, a gasket coact-' ing with said neck, and aspring yielding to permit engagement of said arms with said lugs andacting to urge said arms against said lugs, whereby said cap may berotated to any desired position, the serrations coacting with the armsto hold the cap in its adjusted position.

In witness whereof I have hereunto set my hand.

LEWIS A. JARVIS.

